Java tutorial
//package com.java2s; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; public class Main { public static long getTimeLong(String pattern, String dateString) { try { Date date = new SimpleDateFormat(pattern, Locale.getDefault()).parse(dateString); return date.getTime(); } catch (ParseException e) { e.printStackTrace(); } return -1; } }